package Servlet;

import com.jspsmart.upload.File;
import com.jspsmart.upload.SmartUpload;
import com.jspsmart.upload.SmartUploadException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspFactory;
import javax.servlet.jsp.PageContext;
import java.io.IOException;

@WebServlet("/uploadtest")
public class UploadServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        try {
            //1.创建上传文件对象
            SmartUpload smartUpload=new SmartUpload();
            //2.初始化上传操作
            PageContext pageContext = JspFactory.getDefaultFactory().getPageContext(this, req, resp, null, false, 1024, true);
            smartUpload.initialize(pageContext);
//        3.设置编码
            smartUpload.setCharset("utf-8");
//        4.上传
            smartUpload.upload();

//        5.获取文件信息
            File file=smartUpload.getFiles().getFile(0);
            String fileName=file.getFileName();

//        获取文本信息
            String uname = smartUpload.getRequest().getParameter("uname");
            System.out.println("uname="+uname);

//        6.指定上传的路径
            String uploadPath= "/uploadfiles/" +fileName;
//        7.保存到指定位置
            file.saveAs(uploadPath,File.SAVEAS_VIRTUAL);

//        8.跳转成功页面
            req.setAttribute("filename",fileName);
//            req.getRequestDispatcher("success.jsp").forward(req,resp);
        } catch (SmartUploadException e) {
            e.printStackTrace();
        }
    }
}
